Defensive publication



DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16. 1969, 869 O.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public for inspection and reproduction may be purchased for 30 cents a sheet.

Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Oifice makes no assertion as to the novelty of the disclosed subject matter.

PUBLISHED JANUARY 20, 1970 T870,017 (w-ALKYNYL) (DIARYL)-PHOSPHINE OXIDE SYNERGISTS FOR CYCLOPROPANECAR- BOXYLATE INSECTICIDES Ronald Eugene Montgomery, 46 S. Vernon St., Middleport, N.Y. 14105, and Harry Hobart Incho, 137

Ensign Ave., Medina, N.Y. 14103 Filed Apr. 25, 1969, Scr. No. 819,466 Int. Cl. A01n 9/02, 9/36' US. Cl. 424219 No Drawing. 10 Pages Specification Synergistic insecticidal combinations of esters of cyclopropanecarboxylic acids, such as pyrethrins, allethrin, (1- cyclohexene-1,2-dicarboximido)rnethyl chrysanthemumate, (5-benzyl-3-furyDmethyl 2,2,3,3-tetrarnethylcyclopropanecarboxylate, and (5 benzyl 3 furyl)methyl Chrysanthemumate, with certain (w-alkynyl)(diaryl)phosphine oxides, as synergists, are described. The preparation and properties of representative phosphine oxides and the insecticidal properties of synergistic combinations of said phosphine oxides with representative cyclopropanecarboxylates are reported, 

